1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef _SPCOM_H_ 20 #define _SPCOM_H_ 21 #include <linux/types.h> 22 #ifndef BIT 23 #define BIT(x) (1 << x) 24 #endif 25 #ifndef PAGE_SIZE 26 #define PAGE_SIZE 4096 27 #endif 28 #define SPCOM_MAX_CHANNELS 0x20 29 #define SPCOM_CHANNEL_NAME_SIZE 32 30 #define SPCOM_GET_NEXT_REQUEST_SIZE (PAGE_SIZE - 1) 31 enum spcom_cmd_id { 32 SPCOM_CMD_LOAD_APP = 0x4C4F4144, 33 SPCOM_CMD_RESET_SP = 0x52455354, 34 SPCOM_CMD_SEND = 0x53454E44, 35 SPCOM_CMD_SEND_MODIFIED = 0x534E444D, 36 SPCOM_CMD_LOCK_ION_BUF = 0x4C4F434B, 37 SPCOM_CMD_UNLOCK_ION_BUF = 0x554C434B, 38 SPCOM_CMD_FSSR = 0x46535352, 39 SPCOM_CMD_CREATE_CHANNEL = 0x43524554, 40 }; 41 enum spcom_poll_events { 42 SPCOM_POLL_LINK_STATE = BIT(1), 43 SPCOM_POLL_CH_CONNECT = BIT(2), 44 SPCOM_POLL_READY_FLAG = BIT(14), 45 SPCOM_POLL_WAIT_FLAG = BIT(15), 46 }; 47 struct spcom_user_command { 48 enum spcom_cmd_id cmd_id; 49 uint32_t arg; 50 } __attribute__((packed)); 51 struct spcom_send_command { 52 enum spcom_cmd_id cmd_id; 53 uint32_t timeout_msec; 54 uint32_t buf_size; 55 char buf[0]; 56 } __attribute__((packed)); 57 struct spcom_user_create_channel_command { 58 enum spcom_cmd_id cmd_id; 59 char ch_name[SPCOM_CHANNEL_NAME_SIZE]; 60 } __attribute__((packed)); 61 #define SPCOM_MAX_ION_BUF 4 62 struct spcom_ion_info { 63 int32_t fd; 64 uint32_t buf_offset; 65 }; 66 #define SPCOM_ION_FD_UNLOCK_ALL 0xFFFF 67 struct spcom_ion_handle { 68 int32_t fd; 69 }; 70 struct spcom_user_send_modified_command { 71 enum spcom_cmd_id cmd_id; 72 struct spcom_ion_info ion_info[SPCOM_MAX_ION_BUF]; 73 uint32_t timeout_msec; 74 uint32_t buf_size; 75 char buf[0]; 76 } __attribute__((packed)); 77 #endif 78 79